A new build flag: COLOURED_DUMPS.

If set, maps will be colour-coded to show what vaults were placed, and where.
Such dumps are fit for viewing on a terminal (via cat or less -R), but not
with GUI text viewers.  For HTML, you probably want ansi2html.

1 files changed, 42 insertions, 1 deletions

diff --git a/crawl-ref/source/chardump.cc b/crawl-ref/source/chardump.cc
index be0194d20c..41dd244fc7 100644
--- a/crawl-ref/source/chardump.cc
+++ b/crawl-ref/source/chardump.cc
@@ -1360,13 +1360,51 @@ void dump_map(FILE *fp, bool debug, bool dist)
 {
     if (debug)
     {
+#ifdef COLOURED_DUMPS
+        // Usage: make EXTERNAL_DEFINES="-DCOLOURED_DUMPS"
+        // To read the dumps, cat them or use less -R.
+        // ansi2html can be used to make html.
+
+        fprintf(fp, "Vaults used:\n");
+        for (size_t i = 0; i < env.level_vaults.size(); ++i)
+        {
+            const vault_placement &vp(*env.level_vaults[i]);
+            fprintf(fp, "  \e[3%lum%s\e[0m at (%d,%d) size (%d,%d)\n",
+                    6 - i % 6, vp.map.name.c_str(),
+                    vp.pos.x, vp.pos.y, vp.size.x, vp.size.y);
+        }
+        fprintf(fp, "  (bright = stacked, \e[37;1mwhite\e[0m = not in level_map_ids)\n");
+        size_t last_nv = 0;
+        int    last_v = 0;
+#endif
         // Write the whole map out without checking for mappedness. Handy
         // for debugging level-generation issues.
         for (int y = 0; y < GYM; ++y)
         {
             for (int x = 0; x < GXM; ++x)
             {
-                if (you.pos() == coord_def(x, y))
+#ifdef COLOURED_DUMPS
+                size_t nv = 0;
+                for (size_t i = 0; i < env.level_vaults.size(); ++i)
+                    if (env.level_vaults[i]->map.in_map(coord_def(x, y)
+                           - env.level_vaults[i]->pos))
+                    {
+                        nv++;
+                    }
+                int v = env.level_map_ids[x][y];
+                if (nv && v == INVALID_MAP_INDEX)
+                    v = -1;
+                if (nv != last_nv || v != last_v)
+                {
+                    if (nv)
+                        fprintf(fp, "\e[%d;3%dm", nv > 1, 6 - v % 6);
+                    else
+                        fprintf(fp, "\e[0m");
+                    last_nv = nv;
+                    last_v = v;
+                }
+#endif
+                if (dist && you.pos() == coord_def(x, y))
                     fputc('@', fp);
                 else if (testbits(env.pgrid[x][y], FPROP_HIGHLIGHT))
                     fputc('?', fp);
@@ -1386,6 +1424,9 @@ void dump_map(FILE *fp, bool debug, bool dist)
             }
             fputc('\n', fp);
         }
+#ifdef COLOURED_DUMPS
+        fprintf(fp, "\e[0m");
+#endif
     }
     else
     {